change: introduce multi stage builds into utf8.Dockerfile

Author: yutaro-sakamoto

Dockerfile

@@ -18,9 +18,9 @@ ENV PATH="$PATH:/root/.local/share/coursier/bin"
 
 # Build opensourcecobol4j
 RUN cd /tmp && \
-    curl -L -o opensourcecobol4j-v1.1.7.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.7.tar.gz && \
-    tar zxf opensourcecobol4j-v1.1.7.tar.gz && \
-    cd opensourcecobol4j-1.1.7 && \
+    curl -L -o opensourcecobol4j-v1.1.9.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.9.tar.gz && \
+    tar zxf opensourcecobol4j-v1.1.9.tar.gz && \
+    cd opensourcecobol4j-1.1.9 && \
     ./configure --prefix=/usr/ && \
     make && \
     make install
@@ -61,7 +61,7 @@ COPY --from=builder /usr/bin/ocesql4j /usr/bin/
 COPY --from=builder /usr/lib/opensourcecobol4j/ /usr/lib/opensourcecobol4j/
 COPY --from=builder /usr/lib/Open-COBOL-ESQL-4j/ /usr/lib/Open-COBOL-ESQL-4j/
 # Copy configuration and copy files
-COPY --from=builder /usr/share/opensource-cobol-4j-1.1.8-hotfix1/ /usr/share/opensource-cobol-4j-1.1.8-hotfix1/
+COPY --from=builder /usr/share/opensource-cobol-4j-1.1.9/ /usr/share/opensource-cobol-4j-1.1.9/
 # Copy header file
 COPY --from=builder /usr/include/libcobj.h /usr/include/
 

README.md

@@ -1,10 +1,11 @@
 # opensource COBOL 4J development environment (Docker)
 
 ## Docker image
+
 Versions :
 
 - OS: Ubuntu
-- opensource COBOL 4J: v1.1.7
+- opensource COBOL 4J: v1.1.9
 - Open COBOL ESQL 4J: v1.1.1
 
 In order to "Hello World" program, run the following commands in the docker container

utf8.Dockerfile

@@ -1,32 +1,64 @@
+# Builder stage
+FROM almalinux:9 AS builder
+
+SHELL ["/bin/bash", "-c"]
+
+# Install build dependencies
+RUN dnf update -y && \
+    dnf install -y gcc make bison flex automake autoconf diffutils gettext java-11-openjdk-devel curl gzip tar && \
+    dnf clean all
+
+# Install sbt
+RUN curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x86_64-pc-linux.gz | gzip -d > cs && \
+    chmod +x cs && \
+    echo Y | ./cs setup
+
+# Set PATH for sbt
+ENV PATH="$PATH:/root/.local/share/coursier/bin"
+
+# Build opensourcecobol4j with UTF-8 support
+RUN cd /tmp && \
+    curl -L -o opensourcecobol4j-v1.1.9.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.9.tar.gz && \
+    tar zxf opensourcecobol4j-v1.1.9.tar.gz && \
+    cd opensourcecobol4j-1.1.9 && \
+    ./configure --prefix=/usr/ --enable-utf8 && \
+    touch cobj/*.m4 && \
+    make && \
+    make install
+
+# Runtime stage
 FROM almalinux:9
 
 SHELL ["/bin/bash", "-c"]
 
-# classpath settings
+# Install only runtime dependencies
+RUN dnf update -y && \
+    dnf install -y java-11-openjdk-headless && \
+    dnf clean all
+
+# Copy installed files from builder
+# Copy opensourcecobol4j executables
+COPY --from=builder /usr/bin/cobj /usr/bin/
+COPY --from=builder /usr/bin/cobjrun /usr/bin/
+COPY --from=builder /usr/bin/cob-config /usr/bin/
+COPY --from=builder /usr/bin/cobj-idx /usr/bin/
+COPY --from=builder /usr/bin/cobj-api /usr/bin/
+# Copy JAR libraries
+COPY --from=builder /usr/lib/opensourcecobol4j/ /usr/lib/opensourcecobol4j/
+# Copy configuration and copy files
+COPY --from=builder /usr/share/opensource-cobol-4j-1.1.9/ /usr/share/opensource-cobol-4j-1.1.9/
+# Copy header file
+COPY --from=builder /usr/include/libcobj.h /usr/include/
+
+# Set classpath
 ENV CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar
 RUN echo 'export CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar' >> ~/.bashrc
 
-# install dependencies
-RUN dnf update -y
-RUN dnf install -y gcc make bison flex automake autoconf diffutils gettext java-11-openjdk-devel
-
-# install sbt
-RUN curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x86_64-pc-linux.gz | gzip -d > cs && chmod +x cs && echo Y | ./cs setup
-
-# install opensourcecobol4j
-RUN cd /root &&\
-    curl -L -o opensourcecobol4j-v1.1.7.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.7.tar.gz &&\
-    tar zxvf opensourcecobol4j-v1.1.7.tar.gz &&\
-    cd opensourcecobol4j-1.1.7 &&\
-    ./configure --prefix=/usr/ --enable-utf8 &&\
-    touch cobj/*.m4 &&\
-    make &&\
-    make install &&\
-    rm /root/opensourcecobol4j-v1.1.7.tar.gz
-
-# add sample programs
+# Add sample programs
 ADD cobol_sample /root/cobol_sample
 
 WORKDIR /root/
 
 CMD ["/bin/bash"]
+
+CMD ["/bin/bash"]